fifthward92
15.10.2019 •
Chemistry
Which term best describes the element lanthanum? nonmetal inner transition metal transuranium radioactive
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Ответ:
Inner transition metal.
Explanation:
Lanthanum belongs to the lanthanides or rare earths which are a part of the transition group of elements.
Ответ:
1st A. nitrogen
2nd A. Sodium carbonate
Explanation: